Update cohort.py

cohort.py

@@ -13,7 +13,7 @@ def task_cohort(task,mimic_path,path_benchmark, config_path):
     config_path='./config/'+config_path
     with open(config_path) as f:
         config = yaml.safe_load(f)
-    version_path = mimic_path
+    version_path = mimic_path+'/'
     version = version_path.split('/')[-1][0]
     start = time.time()
     #----------------------------------------------config----------------------------------------------------